From best to worst.

From top left: Spock from the Original Series, Will Riker from The Next Generation, Bones McCoy from the Original Series, Kira Nerys from Deep Space Nine, Worf from The Next Generation, and Data from The Next Generation

Today in Slate, Matthew Yglesias explains just why Star Trek is great—and why the franchise’s natural home is television, not the movies. Below, he ranks the movies and TV shows from best to worst and lists the 10 best episodes, villains, and crew members.